没有什么可以保证每个人都愿意付出努力；学生的辛苦学习是否能得到适当的回报，这是没有把握的。
There is nothing to guarantee that everybody is willing to make the effort; there is no assurance that the learner will have any adequate return for his toil.
对于这场辩论，我没有什么可补充的，但我可以保证，对于我们中的一些人来说，此次衰退的冲击将终其一生。
I have little to add to that debate, but I can guarantee that for some of us, the impact of this downturn will last a lifetime.
然而，国际河流组织的AmeTrandem称，当下并没有什么渔业技术可以保证湄公河鱼类的安全迁徙。
But International River's Ame Trandem said no fishery technology currently exists that can guarantee safe passage for the Mekong's numerous fish species.
它也意味着“光”将是如此必要的扎根在地球，保证了没有什么黑暗的活动可以阻止它的进程。
It also means that the Light will be so well established upon Earth, that no amount of dark activities will stop its progress.
它也意味着“光”将是如此必要的扎根在地球，保证了没有什么黑暗的活动可以阻止它的进程。
It also means that the Light will be so well established upon Earth, that no amount of dark activities will stop its progress.
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